Analysts predict Russia could spend up to $3 billion a year just to keep Crimea afloat. Instability in the region has cast a shadow over tourism, a major part of the Crimean economy. It’s also unclear what might happen to Ukranian state property in Crimea. As for international economic sanctions, right now, they only target a handful of Russian and Ukranian officials, but the U.S. and Europe have warned those sanctions could be escalated, making many international investors nervous, and posing a further threat to Russia’s economy.